Gay-Hound Share definition Flag A Carmel Greyhound that places his thumb up a freshman's anus. Galen: I'm such a gay-hound Gabe: Why? Galen: I just thumbed a freshman Gay-Hound by hayden hodge April 25, 2010 0 0 Get merch Get the Gay-Hound mug. Buy Now — $32.95 See more merch